Answer:
x=35
Step-by-step explanation:
A pentagon's sum of interior angles is 540 degrees.
Now, we can set up an equation.
(4x - 57) + (3x + 15) + 4x + (2x - 3) (3x + 25) = 540
Combine similar terms
16x - 20 = 540
16x = 560
<u>x = 35</u>
Answer:
se eu não me engano é 10 graus.
Step-by-step explanation:
I think it is d I am not sure but i guess it's D
Answer:
I think it would be a 1.40 decrease
Step-by-step explanation: